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Takuya Oka
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Hirakata-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
System for issuing and utilizing ticket
Patent number
5,969,332
Issue date
Oct 19, 1999
Matsushita Electric Industrial Co., Ltd.
Masaaki Ueda
G06 - COMPUTING CALCULATING COUNTING
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Patent Grant
Data transfer system and data transfer terminal device
Patent number
5,691,525
Issue date
Nov 25, 1997
Matsushita Electric Industrial Co., Ltd.
Shigeo Aoki
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
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Patent Application
Electronic authentication system, URL input system, URL input devic...
Publication number
20020046338
Publication date
Apr 18, 2002
Masaaki Ueda
G06 - COMPUTING CALCULATING COUNTING